Stool



FIG. 1 is a first perspective view of one embodiment of a stool showing our new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front elevation view thereof, the rear elevation view being a mirror-image thereof;

FIG. 4 is a right side elevation view thereof, the left side elevation view being a mirror-image thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a first perspective view of a second embodiment of a stool showing our new design;

FIG. 8 is a second perspective view thereof;

FIG. 9 is a front elevation view thereof, the rear elevation view being a mirror-image thereof;

FIG. 10 is a right side elevation view thereof, the left side elevation view being a mirror-image thereof;

FIG. 11 is a top view thereof; and,

FIG. 12 is a bottom view thereof.

The broken lines shown in the drawings depict portions of the stool that form no part of the claimed design. 

CLAIM The ornamental design for a stool, as shown and described. 